“…3 In this long-term, longitudinal, populationbased study of pediatric GWMDs, the authors report on 80 patients with 30 years of data. 3 They report a birth incidence of 30 per 100 000 live births (1 in 3333 live births), using natural history and data collection from northern Finland. Impressively, this incidence corresponds very closely to two other recent estimates.…”